var lastItem = '';
var lastRoll = '';
var lastRollClassname = '';
var lastThirdRoll = '';
var lastThirdRollClassname = '';
var third = '';

function showMenu(id){
  abstandLinks = document.getElementById('p_'+id).offsetParent.offsetParent.offsetLeft;
  left = document.getElementById('p_'+id).offsetParent.offsetLeft;
  left = left + abstandLinks -1;
  subnav = document.getElementById('sub_'+id);
  subnav.style.left = left+'px';
  if(lastItem != ''){
    lastItem.style.display = 'none';
  }
  subnav.style.display = '';
  lastItem = subnav;
}

function hideMenu(){
  if(lastItem != ''){
    lastItem.style.display = 'none';
  }
}

function showMenu2(){
   if(lastItem != ''){
    lastItem.style.display = '';
  }
}

function rollOver(id){
  outerDiv = document.getElementById('item_'+id);
  lastRollClassname  = outerDiv.className;
  outerDiv.className  = 'menu2_subitems_itemInner_roll';
  lastRoll = outerDiv;
  if(document.getElementById('third_'+id)){
    third = document.getElementById('third_'+id);
    third.style.display = ''; 
  }
}

function rollOut(){
  if(lastRoll!='' && lastRollClassname!=''){
    lastRoll.className = lastRollClassname;
  }
  if(third != ''){
    third.style.display = 'none'; 
  }
}

function goTo(id){
  window.location.href = 'http://www.promegis.de/index.php?id='+id;
}

function rollTD(id){
  document.getElementById('td_'+id).className = 'menu2_tdRoll';
}

function outTD(id){
  document.getElementById('td_'+id).className = 'menu2_td';
}

function rollThirdOver(id){
  outerDiv = document.getElementById('thirdItem_'+id);
  lastThirdRollClassname  = outerDiv.className;
  outerDiv.className  = 'menu2_subitems_itemInner_roll';
  lastThirdRoll = outerDiv;
}

function rollThirdOut(){
  if(lastThirdRoll!='' && lastThirdRollClassname!=''){
    lastThirdRoll.className = lastThirdRollClassname;
  }
}